Improvement in railway-rail chairs



aan effin.

SAMUEL M. GUEST, 0F YPSILANTI, MICHIGAN.

l Letters Patent No. 112,8(25, dated March 21, 1871.

IMPROVEMENT IN RAILWAY-RAIL CHAIRS.

The Schedule referred to in these Letters Patent and making part of the same.

To whom it may conce-rn Be it known that I, SAMUEL M. GUEST, of Ypsilanti, in the county of Washtenawand State of Michigan, have invented a new and useful Improvement in a Rail-Joint; and I do declare that the following is a true and accurate description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon and being a part of this speciiication, in which- Figure 1 is a perspective view o'f my improved railjoint, forming part of an iron cross-tie or sleeper.

Fignre2 is a vertical section on the line x x in the rst ligure, but showing the adaptation thereof to a Wooden sleeper.

Like letters indicate like parts in each figure.

'.lhe nature of this invention relates to an improved method of joining and suppolting the ends of railwaybars, alike applicable to railways having sleepers of wood or iron, in the latter case the chair being cast with the sleeper.

The invention consists of a. peculiarly-formed iron chair, provided on its under side with studs for insertion in a wooden sleeper, when such are used, or cast with and making part of an iron sleeper.

Also, in connection with such chairs, the employment of a rubber or other elastic cushion under the 'rail-foot, with a keeping and protecting plate interposed between the cushion and rail-foot.

Also, in a clamp and key, arranged to secure the rails immova-bly in the chair, and ye t with suficient elasticity to obviate the destructive eects of the hammering of the wheels of passing trains at the joints.

In the drawing- A represents a plate or table, on which is cast, at` one end, a shoulder, B, having a projecting lip or ange, a, whose under side conforms to the outline of the upper side of the rail-foot.

C is another shoulder on the plate A, having a curved lip or flange, b, projecting toward the rst in the form shown, but ona lower plane, and far enough from it to receive the foot of the rail D.

E is a rectangular block of rubber or other elastic material extending across the plate, and whose width is that of the rail-foot, lying ou a seat elevated above the general plane of the plate A, shown at c in lig. 2.

Over the elastic cushion is placed a thin sheet-metal plate, F, of the same width, but having its` ends turned down to clamp the edges ofthe plate A, retaining the cushion in place as well as protecting it from the elements and destruction by gravel entering from the ballast under the compressive action of the rail.

G is a double angle-iron clamp of the section shown, its lower flange entering under the overhanging end of the shoulder C, while its upper iiange forms a chairclainp for one edge of the rail-foot.

H is a key, slightly tapered, as is also the way in a head, and of such length that its point may project from the chair, so as to be turned down to secure it from working loose 'Ihe advantages of such a railjoint will readily be conceded, inasmuch as expansion and contraction of the rails and an elastic resistance to the percuss'ive action of passing trains are fully provided for, while the rails are firmly heldl inthe.

chair.

lf the chairs are to be applied to wooden sleepers, I cast the plate A of the chairs with two or more studs, A1, projecting down therefrom to insert in cor- -responding openings in the sleeper, or they may bev spiked down in the usual manner.

Where an iron sleeper is to be made, I cast it in a T- form, the table or horizontal part forming the plates A, and with a vertical web, A2, projecting below.

What I claim as my invention, and desire to secure by Letters Patent, ls-

1. A rail-chair, having the flanged shoulders B C cast in one piece with the base-plate A, as herein described, in connection with the elastic cushion E, coving plate F, clamp G, and key H, arranged and operating in the manner and for the purpose set forth.

2. 'lhe combination of two rail-chairs, constructed as herein described, with a cast-iron cross-sleeper, as and for the purpose s'et forth.

- f SAMUEL M. GUEST.

Witnesses:

H. FRED. Ennrs, MARTHA STEWART. 

